{"id":21603,"date":"2026-01-09T09:56:58","date_gmt":"2026-01-09T08:56:58","guid":{"rendered":"https:\/\/www.sereni-d.com\/non-classifiee\/danger-poissons-dargent\/"},"modified":"2026-02-26T14:21:30","modified_gmt":"2026-02-26T13:21:30","slug":"danger-silverfish","status":"publish","type":"post","link":"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/","title":{"rendered":"Silverfish: dangerous insects?"},"content":{"rendered":"\n<p>Silverfish, also known as silverfish, are small, inconspicuous insects that are sometimes found in our bathrooms, kitchens or cellars. Their appearance and nocturnal presence often cause concern. Are they dangerous to health? Can they bite, transmit diseases or cause damage? We take stock in this article.<\/p>\n\n\n\n<p>You will also find effective solutions for managing an infestation without risk.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Key information<\/h2>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-e1fe8364161e9eafcd4fa485471cc6b2 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-b7e676e314cad977406ac2c9f8959575\">\u27a1\ufe0fLes poissons d\u2019argent ne sont pas dangereux pour l\u2019homme ni pour les animaux domestiques : ils ne piquent pas, ne mordent pas et ne transmettent aucune maladie.<br>\u27a1\ufe0f Leur pr\u00e9sence en nombre peut indiquer un probl\u00e8me du logement (humidit\u00e9, mauvaise ventilation, fuites).<br>\u27a1\ufe0f L\u2019humidit\u00e9 est le facteur n\u00b01 de leur prolif\u00e9ration<br>\u27a1\ufe0f Les \u00e9ventuels d\u00e9g\u00e2ts sont mat\u00e9riels et mineurs : grignotage des papiers et cartons.<br>\u27a1\ufe0f Dans la majorit\u00e9 des cas, des m\u00e9thodes naturelles suffisent pour s\u2019en d\u00e9barrasser<br>\u27a1\ufe0f Les traitements chimiques agressifs sont rarement n\u00e9cessaires et peuvent \u00eatre plus risqu\u00e9s que utiles s\u2019ils sont mal utilis\u00e9s.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Brief overview of silverfish<\/h2>\n\n\n\n<p>Silverfish are small domestic insects commonly found in damp homes. Their name comes from their elongated, flattened, silvery bodies, which are covered with fine scales that give them a shiny appearance when they move.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"706\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/poisson-argent.png\" alt=\"poisson d'argent vu de haut\" class=\"wp-image-21576 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/poisson-argent.png 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/poisson-argent-300x212.png 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/poisson-argent-768x542.png 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/poisson-argent-600x424.png 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Characteristics<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Scientific name<\/strong>: <em>Lepisma saccharina<\/em><\/li>\n\n\n\n<li><strong>Size<\/strong>: approximately 10 to 15 mm as an adult<\/li>\n\n\n\n<li><strong>Apt\u00e9r insect<\/strong>: it has no wings<\/li>\n\n\n\n<li><strong>Colour<\/strong>: silvery grey with metallic sheen<\/li>\n\n\n\n<li><strong>Morphology<\/strong>: streamlined body, two long antennae at the front and three filaments at the rear<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">A nocturnal, discreet and timid insect<\/h3>\n\n\n\n<p>The silverfish is a light-shunning insect: it flees from light and moves mainly at night. Very fast, it immediately takes refuge in cracks, skirting boards or corners as soon as it is disturbed.<\/p>\n\n\n\n<p>It particularly likes damp, warm and poorly ventilated environments, such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bathrooms,<\/li>\n\n\n\n<li>kitchens,<\/li>\n\n\n\n<li>cellars,<\/li>\n\n\n\n<li>laundry rooms,<\/li>\n\n\n\n<li>under sinks or areas close to pipes.<\/li>\n<\/ul>\n\n\n\n<p>Unlike other pests such as <a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bedbugs-treatments-symptoms-causes-and-prevention\/\">bed bugs<\/a>, it does not seek contact with humans and never attacks voluntarily.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme.png\" alt=\"poisson d'argent\" class=\"wp-image-21493 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme.png 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-300x169.png 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-768x432.png 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-600x338.png 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Are silverfish dangerous to humans?<\/h2>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"829\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/trio-poissons-argent.png\" alt=\"plusieurs poissons d'argent\" class=\"wp-image-21503 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/trio-poissons-argent.png 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/trio-poissons-argent-300x249.png 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/trio-poissons-argent-768x637.png 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/trio-poissons-argent-600x497.png 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Silverfish bites: myth or reality?<\/h3>\n\n\n\n<p><strong>Silverfish do not sting or bite<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>They have no stingers, venomous hooks or stinging apparatus.<\/li>\n\n\n\n<li>They are not capable of piercing human skin.<\/li>\n\n\n\n<li>They do not feed on blood or living tissue.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-ee851e47b7511e770fa80bc32ccc7c54 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-15ec3c3ba725438fb5ae857dc4f84e96\"><strong><strong><strong><strong><strong><strong><strong>If you notice redness, itching or bed bug bites, the cause is likely to be something else (bed bugs, mosquitoes, fleas, dust mites, etc.). Silverfish are often wrongly blamed simply because they are visible at night.<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Do they transmit diseases?<\/h3>\n\n\n\n<p><strong>There are no known health risks.<\/strong> Silverfish do not transmit any viruses, bacteria or parasites to humans.<\/p>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-adc693c1a9535506a87d04bfde9263a4 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-41c6ef5abf845710c71ec49e57dd67a5\"><strong><strong><strong><strong><strong><strong><strong>Furthermore, even though they may come into contact with food, they do not pose a hygiene or food contamination problem.<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"800\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-argente.png\" alt=\"\" class=\"wp-image-21498 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-argente.png 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-argente-300x240.png 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-argente-768x614.png 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/lepisme-argente-600x480.png 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-1024x682.jpg\" alt=\"chien qui dort\" class=\"wp-image-11924 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-1024x682.jpg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever-600x400.jpg 600w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/02\/labrador-retriever.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Are silverfish dangerous to pets?<\/h3>\n\n\n\n<p>Don&#8217;t worry about your four-legged friends, <strong>silverfish pose no danger to pets.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Silverfish are not poisonous.<\/li>\n\n\n\n<li>They do not transmit any diseases to animals.<\/li>\n\n\n\n<li>There is no risk if they are accidentally ingested.<\/li>\n\n\n\n<li>They do not sting or bite.<\/li>\n\n\n\n<li>A dog or cat that catches one out of curiosity is not at risk.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-8f2808f72457efa4e497d4a3f00cb3d7 is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-af79da57a0304c1cff4cd70c2a90cb33\"><strong><strong><strong><strong><strong><strong><strong>Be careful not to use insecticide treatments in the presence of your pets.<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<p>If you have pets at home, opt for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>natural methods (reducing humidity, cleaning, sealing cracks),<\/li>\n\n\n\n<li>mechanical traps without toxic substances,<\/li>\n\n\n\n<li>products that are clearly compatible with the presence of animals, following the instructions carefully.<\/li>\n<\/ul>\n\n\n\n<p>\u27a1\ufe0f <strong>See also:<\/strong> <a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/bed-bugs-and-pets\/\">Are bed bugs dangerous to pets?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Silverfish: what damage can they cause in the home?<\/h2>\n\n\n\n<p>Silverfish feed mainly on materials rich in starch, sugar and cellulose. Certain everyday objects can therefore be damaged over time.<\/p>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-4f0a5183f54ffcf99a93dae1d54cdf0a is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-5eafb51c847d15d1c18447998f6072f5\"><strong><strong><strong><strong><strong><strong><strong>However, it&#8217;s nothing catastrophic; the damage is limited to nibbled edges, small scraped areas, or irregular holes.<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p>The following items and materials are vulnerable to silverfish:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pages of books, magazines, administrative documents or archives.<\/li>\n\n\n\n<li>Storage boxes, storage containers, files.<\/li>\n\n\n\n<li>Wallpaper that has come unstuck or been damaged in damp areas.<\/li>\n\n\n\n<li>Frequent damage behind skirting boards, in corners or under furniture.<\/li>\n<\/ul>\n\n\n\n<p>Unlike <a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/how-to-get-rid-of-clothes-moths\/\">clothes moths<\/a>, silverfish do not attack clothing. In rare cases, they may attack textiles containing starch.<\/p>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">A warning sign that should not be ignored<\/h3>\n\n\n\n<p>Although there is no health risk, the presence of silverfish is not insignificant. It is a sign that your home has:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>excessive humidity (bathroom, cellar, laundry room),<\/li>\n\n\n\n<li>poor ventilation (no mechanical ventilation, blocked vents),<\/li>\n\n\n\n<li>water leaks or persistent condensation (pipes, joints, walls).<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns has-border-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\" style=\"border-color:#00927b;border-style:solid;border-width:2px;border-radius:20px;background-color:#00927b\">\n<div class=\"wp-block-column has-white-color has-text-color has-link-color wp-elements-365358d3d1ca6853428bcb221e5dce0e is-layout-flow wp-container-core-column-is-layout-5dafc681 wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left has-white-color has-text-color has-link-color wp-elements-fcd74cd4662823164f27009bb931684d\"><strong><strong><strong><strong><strong><strong><strong>Silverfish require moisture to survive. If they are present in large numbers, it means that conditions are ideal for them and potentially problematic for the home, causing mould and damage, for example.<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/p>\n<\/div>\n<\/div>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/vanne-eau.jpg\" alt=\"\" class=\"wp-image-21582 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/vanne-eau.jpg 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/vanne-eau-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/vanne-eau-768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/vanne-eau-600x400.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How can silverfish be eliminated safely?<\/h2>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/aerer.jpg\" alt=\"ouvrir la fen\u00eatre pour a\u00e9rer\" class=\"wp-image-21587 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/aerer.jpg 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/aerer-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/aerer-768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/aerer-600x400.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Reducing humidity is a priority<\/h3>\n\n\n\n<p>Silverfish do not survive long in a dry environment.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ventilate each room for 10 to 15 minutes every day.<\/li>\n\n\n\n<li>Use a dehumidifier in damp rooms (bathroom, basement, laundry room).<\/li>\n\n\n\n<li>Repair any water leaks or faulty seals quickly.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Clean regularly<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vacuum skirting boards, cracks, under furniture and dark corners.<\/li>\n\n\n\n<li>Clean floors and surfaces with a standard household cleaner.<\/li>\n\n\n\n<li>Remove dust, crumbs, cardboard and unnecessary paper.<\/li>\n<\/ul>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"665\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/12\/nettoyage-placard.jpg\" alt=\"\" class=\"wp-image-21080 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/12\/nettoyage-placard.jpg 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/12\/nettoyage-placard-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/12\/nettoyage-placard-768x511.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/12\/nettoyage-placard-600x399.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/La-terre-de-diatomee-un-super-anti-punaise--1024x683.jpg\" alt=\"\" class=\"wp-image-3704 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/La-terre-de-diatomee-un-super-anti-punaise--1024x683.jpg 1024w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/La-terre-de-diatomee-un-super-anti-punaise--300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/La-terre-de-diatomee-un-super-anti-punaise--768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/La-terre-de-diatomee-un-super-anti-punaise--600x400.jpg 600w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2023\/11\/La-terre-de-diatomee-un-super-anti-punaise-.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Diatomaceous earth<\/h3>\n\n\n\n<p>Food-grade diatomaceous earth dehydrates insects.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sprinkle a thin layer in cracks, under skirting boards or behind furniture.<\/li>\n\n\n\n<li>Never use calcined diatomaceous earth (dangerous to inhale).<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<h3 class=\"wp-block-heading\">Natural repellents (smells)<\/h3>\n\n\n\n<p>Lavender (in sachets) and cinnamon sticks repel silverfish. Feel free to place them around your home.<\/p>\n\n\n\n<p>\u27a1\ufe0f <strong>For more information: <\/strong><a href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/how-to-get-rid-of-silverfish\/\">Our tips for getting rid of silverfish for good<\/a>.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/06\/huile-lavande.jpg\" alt=\"\" class=\"wp-image-15316 size-full\" srcset=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/06\/huile-lavande.jpg 1000w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/06\/huile-lavande-300x200.jpg 300w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/06\/huile-lavande-768x512.jpg 768w, https:\/\/www.sereni-d.com\/wp-content\/uploads\/2025\/06\/huile-lavande-600x400.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Silverfish, also known as silverfish, are small, inconspicuous insects that are sometimes found in our bathrooms, kitchens or cellars. Their appearance and nocturnal presence often cause concern. Are they dangerous to health? Can they bite, transmit diseases or cause damage? We take stock in this article. You will also find effective solutions for managing an [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":21509,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[71,183],"tags":[],"class_list":["post-21603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-our-advice","category-silverfish"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Are silverfish dangerous: bites, diseases, damage?<\/title>\n<meta name=\"description\" content=\"Are silverfish dangerous to human health or pets? Discover the real risks, possible damage and how to eliminate them safely.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Are silverfish dangerous: bites, diseases, damage?\" \/>\n<meta property=\"og:description\" content=\"Are silverfish dangerous to human health or pets? Discover the real risks, possible damage and how to eliminate them safely.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/\" \/>\n<meta property=\"og:site_name\" content=\"Sereni-d\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SereniDsante\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-09T08:56:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-26T13:21:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/silverfish.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marine Falconnet\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marine Falconnet\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/\"},\"author\":{\"name\":\"Marine Falconnet\",\"@id\":\"https:\/\/www.sereni-d.com\/en\/#\/schema\/person\/eb46de43d5cb388b390c922a47d7a138\"},\"headline\":\"Silverfish: dangerous insects?\",\"datePublished\":\"2026-01-09T08:56:58+00:00\",\"dateModified\":\"2026-02-26T13:21:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/\"},\"wordCount\":880,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.sereni-d.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/silverfish.jpg\",\"articleSection\":[\"Our advice\",\"Silverfish\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/\",\"url\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/\",\"name\":\"Are silverfish dangerous: bites, diseases, damage?\",\"isPartOf\":{\"@id\":\"https:\/\/www.sereni-d.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.sereni-d.com\/en\/our-advice\/silverfish\/danger-silverfish\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.sereni-d.com\/wp-content\/uploads\/2026\/01\/silverfish.jpg\",\"datePublished\":\"2026-01-09T08:56:58+00:00\",\"dateModified\":\"2026-02-26T13:21:30+00:00\",\"description\":\"Are silverfish dangerous to human health or pets? 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